1.The impulse response of a linear time-invariant circuit is
seen to be h(t) (2 e
–2t
+ 1.7 e
–0.3t
+ 2 e
–t
cos(10t –45°))u(t).
What is the order of the circuit and what are its natural
frequencies? Is the circuit a stable one?
2.The impulse response of a linear time-invariant circuit is seen
to be h(t) (0.5 e
–2.7t
+ 1.7 e
–3t
sin(30t – 55°) + 2 cos(10t –
45°))u(t). What is the order of the circuit and what are its
natural frequencies? Is the circuit a stable one?
3.The impulse response of a circuit is h(t) (0.7 e
0.3t
sin(3t – 55
°
)
+ 2 e
–0.25t
cos(5t – 45
°
))u(t). What is the order of the circuit and
what are its natural frequencies? Is ...
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